Puerto Rico Highway 139 (PR-139) in Barrio Maraguez, heading South-bound, with the City of Ponce and the Rio Portugues channel in the background and the Caribbean Sea in the far background

In 1920 Maragüez had a population of 616 inhabitants.[4] By 2000, the population of Maragüez had grown to only 754 persons, making it the fourth least populated barrio of the municipality after 80 years.[5] At 142 persons per square mile, Maragüez is also the fourth least densely populated barrio in the municipality.[6] The main road serving barrio Maragüez is PR-139.[7]

The highest point in Barrio Maragüez stands at 2,132 feet and is located at the extreme northeast tip of the barrio. Another notable land feature is the Cerro Santo Domingo which stands at 2,004 feet.[8]

^Maptest.Archived 2010-02-18 at the Wayback Machine. Government of the Commonwealth of Puerto Rico. General Purpose Population Data, Census 2000. Unidad de Sistemas de Información Geográfica, Área de Tecnología de Información Gubernamental, Oficina de Gerencia y Presupuesto. Gobierno de Puerto Rico. Retrieved 10 November 2011.